Posts Tagged ‘IPv4’

IPv4 exhaustion date is Sept 5th 2011

Wednesday, January 20th, 2010

I note that the number of available IPv4 addresses has dropped below the 10% mark. This is displayed on the counter on the right hand column of this blog but it took a link to the Number Resource Org on Facebook to alert me to the fact.

This year should see an intensification of efforts to move to the full support of IPv6. The Sept 5th 2011 date for exhaustion of the IPv4 pool is not very far away now. In reality there will still be stocks of addresses held “in private hands” so that date doesn’t see the unprepared fall off a cliff but it is a clear pressure point.

I should make it publicly known now that I’m planning a party for this date.  Anyone wanting to come along should get their name in early as I anticipate huge demand :-) .

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IPv4 drops below last 400m addresses

Monday, November 16th, 2009

I noticed over the weekend that the exhaustion counter for IPv4 dropped below 400m addresses. This is just a stake in the ground. As I write there are 653 days to go.  I’ll revisit this when it drops below 300m.

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IPv4 – the end is nigh?!

Thursday, January 22nd, 2009

The IPv4 situation is already known to geeks everywhere. This is the protocol version that has been used by IP networks everywhere since the year dot (approximately). The number of IPv4 addresses the world can use is fixed because these addresses use 4 Bytes of data. The growth in IP networks everywhere is consuming IPv4 addresses at lightning speed.

This is not new news but we are now getting very close to where the addresses run out. Fear not. We will all move onto IPv6 which uses 16Bytes per address. Timico has an allocation of 158,456,325,028,528,675,187,087,900,672 IPv6 addresses for its customers’ use – so plenty of room for growth there.

The industry isn’t quite ready to make the move yet – certainly not in Europe and North America. However the time is rapidly coming where action will have to be taken. This link to potaroo.net has a neat illustration of how much time we have left – currently 788 days according to their site. 

Another interesting site is cidr-report.org which shows you the number of discrete networks that make up the internet. As the number of these networks grow an Internet Service Provider needs to add links into each new network as it comes online. Fortunately this happens automatically.

Finally another good read is the map of the internet from xkcd.com.  There is an element of needing to understand what you are looking at but even for  the layman it looks quite interesting (I think so anyway).

The end may well be nigh but don’t worry we are not doomed!

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